Here is a list of upgrades and the add on prices: 

Guest Addressing of outer mailing envelopes (digitally printed on the envelope): $40 flat fee

Metallic Envelopes:  $0.75 additional Outer envelopes / $0.65 for reply envelope

Lined Envelopes:  $0.75 additional 

Double set (Inner and Outer ):  $0.95 additional

Rhinestone Buckle Sliders: $1.50 – $2.00 each; depends on style. Please contact for more information. 

Crystals: $0.85 

Ribbon tie around invitation (not as belly band but adhered to the invitation) $0.35 each

Lace tie around invitation (not as belly band but adhered to the invitation) $0.50 each